Preheat the oven to 375℉ and position your rack in the middle of the range.
Using your unsalted butter, generously coat your 10-inch cast iron or gratin dish with the butter and set aside.
Whisk the eggs with the sugar in a medium bowl of your KitchenAid stand mixer.Add the milk, and slowly add flour, vanilla, and salt. Whisk to combine well, and no lumps form in the batter.
Arrange the peach halves in a single layer in the pan or gratin dish.
Pour the batter evenly around the peaches, then sprinkle with the almond slivers.
Bake the clafoutis until it puffs up and is lightly golden brown around the edges. It takes around 30 to 35 minutes.
Place the skillet on a wire rack and let it cool off for about 10 minutes.
Serve warm or at room temperature. Dust powdered sugar over the peaches and serve.
VariationsYou can have so much fun creating clafoutis. And with the classic recipes, the only thing left is to pick your next fruit.
Apricots, nectarines, or plums are beautiful fruits that will be the perfect substitute for fresh peaches.
Have extra berries on hand? Add them to your clafoutis.
A scoop of vanilla ice cream is also excellent with this fresh peach dessert.
Brown sugar can substitute granulated sugar.
Storing informationIf you are lucky to have leftovers, you can save the uneaten portion in a glass container with an air-tight lid for a couple of days. Ensure that it is completely cooled off before covering it.Bring back to room temperature and enjoy.